pyspider+mongodb部署有问题

[W 151225 17:29:08 run:398] phantomjs not found, continue running without it.

[I 151225 17:29:10 result_worker:49] result_worker starting...

[I 151225 17:29:11 tornado_fetcher:429] fetcher starting...

[I 151225 17:29:11 scheduler:453] loading projects

[I 151225 17:29:11 processor:208] processor starting...

Exception AttributeError: "'Cursor' object has no attribute '_Cursor__id'" in > ignored

[E 151225 17:29:11 scheduler:463] __init__() got an unexpected keyword argument 'fields'

    Traceback (most recent call last):

      File "/root/miniconda2/lib/python2.7/site-packages/pyspider/scheduler/scheduler.py", line 458, in run

        self.run_once()

      File "/root/miniconda2/lib/python2.7/site-packages/pyspider/scheduler/scheduler.py", line 442, in run_once

        self._update_projects()

      File "/root/miniconda2/lib/python2.7/site-packages/pyspider/scheduler/scheduler.py", line 84, in _update_projects

        for project in self.projectdb.check_update(self._last_update_project):

      File "/root/miniconda2/lib/python2.7/site-packages/pyspider/database/mongodb/projectdb.py", line 61, in check_update

        for project in self.get_all(fields=('updatetime', 'name')):

      File "/root/miniconda2/lib/python2.7/site-packages/pyspider/database/mongodb/projectdb.py", line 49, in get_all

        for each in self.collection.find({}, fields=fields):

      File "/root/miniconda2/lib/python2.7/site-packages/pymongo/collection.py", line 1137, in find

        return Cursor(self, *args, **kwargs)

    TypeError: __init__() got an unexpected keyword argument 'fields'

Exception AttributeError: "'Cursor' object has no attribute '_Cursor__id'" in > ignored

[E 151225 17:29:11 scheduler:463] __init__() got an unexpected keyword argument 'fields'

    Traceback (most recent call last):

      File "/root/miniconda2/lib/python2.7/site-packages/pyspider/scheduler/scheduler.py", line 458, in run

        self.run_once()

      File "/root/miniconda2/lib/python2.7/site-packages/pyspider/scheduler/scheduler.py", line 442, in run_once

        self._update_projects()

      File "/root/miniconda2/lib/python2.7/site-packages/pyspider/scheduler/scheduler.py", line 84, in _update_projects

        for project in self.projectdb.check_update(self._last_update_project):

      File "/root/miniconda2/lib/python2.7/site-packages/pyspider/database/mongodb/projectdb.py", line 61, in check_update

        for project in self.get_all(fields=('updatetime', 'name')):

      File "/root/miniconda2/lib/python2.7/site-packages/pyspider/database/mongodb/projectdb.py", line 49, in get_all

        for each in self.collection.find({}, fields=fields):

      File "/root/miniconda2/lib/python2.7/site-packages/pymongo/collection.py", line 1137, in find

        return Cursor(self, *args, **kwargs)

    TypeError: __init__() got an unexpected keyword argument 'fields'